题目内容
19．Fourninths （nine） of the students in that school have got full marks in the recent exam．分析 在最近考试中那所学校中九分之四的学生得了满分．
解答 答案：ninths 根据句意及提示词基数词nine可知句中要表达〝那所学校九分之四的学生…〞，英语中分数的表达，先说分子数后说分母数，分子用基数词，分母用序数词，分子数超过"1"时，分母用复数，结合句中分子为four大于1，nine作分母其序数词为ninth，变复数直接加s，故填ninths
点评 本题主要考查完成句子，首先要根据所给单词提示，然后根据句式特点，结合句意和词性，确定单词的适当形式，最后把句子补充完整．本题主要考查英语中分数的表达．
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